<head>
	<meta http-equiv="refresh" content="3; url=mainPage.action" />
	<script type="text/javascript" src="javascript/javascript.js"></script>
	<%
		Object o = session.getAttribute("cardNo");
		if(o == null){
			%>
				<script type="text/javascript">
					alert("May ha buoi!");
					window.location.href = "indexPage.action";
				</script>
			<%
		}
	%>
</head>
<body onload="indexPage()">
	<center><p style="font-size: 35px; color: green;"><strong>Printing receipt...</strong></p></center>
</body>